Do you know why oracle queries many times sys.props$ for BACK_END_DB

I noticed that oracle executes the following query too many times.
select p.value$, lengthb(p.value$)
from
sys.props$ p where p.name = 'BACK_END_DB'
Oracle 9i DB
This query is not executed into a form, report, package or procedure.
Question is:
Do you know why oracle queries many times sys.props$ for BACK_END_DB?
or how can we avoid it?
Regards
Marcos Galeana

Hi,
Internal table sys.props$ contains data for some oracle parameter/variables. Oracle makes internal calls to its internal tables for many fornt end SQL statements (recursive queries). So do not worry about those internals calls.
Regards

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